5G Core Part 5 — Network Repository Function

Oriental Pearl Tower, Pudong, Shanghai, China [© F2023]

Introduction to NRF

The 3GPP 5GS specifications have introduced a new 5G Network Function (NF) in the Service Base Architecture (SBA) Control Plane (CP) called the Network Repository Function (NRF) since the 3GPP 5GS Release 15 a few years ago. This article describes the networking challenges the NRF is designed to resolve and the operations of the NRF using a Wireshark…